Dyfyniad APA
Ward, A. D., & Trimble,Stanley W. (2004). Environmental hydrology (2nd ed.). CRC Press.
Dyfyniad Arddull Chicago
Ward, Andy D., and Trimble,Stanley W. Environmental Hydrology. 2nd ed. New York: CRC Press, 2004.
Dyfyniad MLA
Ward, Andy D., and Trimble,Stanley W. Environmental Hydrology. 2nd ed. CRC Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.